I'm tall as well. 6'5" I have never really deadlifted with my arms outside, always been a sumo style deadlift for me.
My concern on your form was more to do with you lifting straight up with your back before straightening your legs. All the videos and such seem to show it as a more fluid motion. It looks like potential trouble to me, but again I am not a trainer. You could post the video in the main forum under Deadlift form critique and see what other have to say.
Cool. I don't know how accurate calipers are, I have read conflicting stuff, but I think they can be consistent which will be key to show a trend.
ok...wtf is waxy maize?
As for the harris benedict, some say it's not the most accurate. However I say trying to describe the caloric requirements for the human population based on a simple formula is a lost cause. There are however others out there that people feel are more accurate. (The HB worked fine for me) It should be used as a ball park figure. If you pick your multiplier get 3300 and eat at that for a few weeks, you should be able to determine which way you need to adjust your intake. If you stay the same or increase, decrease the calories or increase the activity.
Try lowering your cals to 2100 and 2500 and see what that does for you? I don't personally think you should have any issues with screwing yourself up due to calories being to low.
Best time to weigh yourself? Lots of answers here. Well at least 2....maybe 3
1) Never. Go by how your clothes fit, how you look and how you feel. The scale simply tells you how much the earth loves you on a particular day.
2) Same time of the day, once a week. Weighing at different times will give you wildly different results. I used to fluctuate 10lbs in a given day between morning and night.
3) Same time each day, take an average. Same thoughts as above. for 2 and 3 you are getting a data point for each week. graph and check trends.
On a personal note on #1. I am a scaleaholic. I have been since I started this journey. Right now the scale is staying pretty much the same. Right around 227. My pants are however looser. I am close to doing them up and wearing them comfortably on the next belt hole, where I used to wear them.
As for your diet. I certainly won't cast stones. Weighing your intake might give you a good indication of problems as well. You could be eating a lot more than you think.
Do you use a tracking website for your food? ie fitday or dailyplate?
Keith.